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PIC32CX-BZ3 and WBZ35x Family Data Sheet
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PIC32CX-BZ3
WBZ350
WBZ351
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24
Peripheral Access Controller (PAC)
24.5
Functional Description
24.5.2
Basic Operation
Introduction
PIC32CX-BZ3
SoC Family Features
WBZ35x
Module Features
Acronyms and Abbreviations
1
Ordering Information
2
Configuration Summary
3
PIC32CX-BZ3
SoC Description
4
WBZ35x
Module Description
5
Pinout and Signal Descriptions List
6
I/O Ports and Peripheral Pin Select (PPS)
7
Power Subsystem
8
Product Memory Mapping Overview
9
Processor and Architecture
10
Prefetch Cache (PCHE)
11
Cortex M Cache Controller (CMCC)
12
Secure Boot ROM
13
eFuse Controller
14
Security Features
15
Flash Controller (FC)
16
Device Service Unit (DSU)
17
Clock and Reset Unit (CRU)
18
Power Management Unit (PMU)
19
Watchdog Timer (WDT)
20
Deadman Timer (DMT)
21
RAM Error Correction Code (RAMECC)
22
System Configuration and Register Locking (CFG)
23
Peripheral Module Disable (PMD)
24
Peripheral Access Controller (PAC)
24.1
Overview
24.2
Features
24.3
Block Diagram
24.4
Product Dependencies
24.5
Functional Description
24.5.1
Principle of Operation
24.5.2
Basic Operation
24.5.2.1
Initialization, Enabling and Resetting
24.5.2.2
Operations
24.5.2.3
Peripheral Access Errors
24.5.2.4
Write Access Protection Management
24.5.2.5
Write Access Protection Management Errors
24.5.2.6
AHB
Subordinate
Bus Errors
24.5.2.7
Generating Events
24.5.3
DMA Operation
24.5.4
Interrupts
24.5.5
Events
24.5.6
Sleep Mode Operation
24.5.7
Synchronization
24.6
Register Summary
24.7
Register Description
25
Real-Time Counter and Calendar (RTCC)
26
Direct Memory Access Controller (DMAC)
27
External Interrupt Controller (EIC)
28
Configurable Custom Logic (CCL)
29
Frequency Meter (FREQM)
30
Event System (EVSYS)
31
Serial Communication Interface (SERCOM)
32
SERCOM Synchronous and Asynchronous Receiver and Transmitter (SERCOM USART)
33
SERCOM Serial Peripheral Interface (SERCOM SPI)
34
SERCOM Inter-Integrated Circuit (SERCOM I
2
C)
35
Quad Serial Peripheral Interface (QSPI)
36
Analog-to-Digital Converter (ADC)
37
Capacitive Voltage Divider (CVD) Controller for Touch Sensing
38
Analog Comparators (AC)
39
Digital-to-Analog Converter (DAC)
40
Timer/Counter (TC)
41
Timer/Counter for Control Applications (TCC)
42
802.15.4 Bluetooth® Radio Subsystem
43
Electrical Characteristics
44
Packaging Information
45
Appendix A: Regulatory Approval
46
Appendix B: Acronyms and Abbreviations
47
Document Revision History
Microchip Information
24.5.2 Basic Operation
